Volume 24 (1872) (424 pages)

January 6, 1872.] SCIENTIFIC PRESS. 15 N. Seibert's Eureka Lubricators. THE HIGHEST PREMIUM Awarded by the Meehanics' Institute lair, San Francisco, and State Fnir, Sacramento, 1871. These Lnbricators are acknowledged by ail engineers to be superior te auy they Lave ever used; feed constantly Ly pressure of condensed water. supplied hy pipe A, regulated under the oi] hy valve J, and forced out through cheek valye and pipe B into the steam pipe C; it t en becomes greasy steain, pasres to all the valves and cylinder at every stroke of the engiue, glass tube I indieates amount used per hour, Packing on rods and stems lasts longer, and the rinses on the piston will not corrode, Ouc pint of oll will last from three to six days, according to speed aud alzc of eugine; J, slidlng gauge; K, valve to shut off when engine stopps; H, F, valves to shut off in ease of frost; steam dovs not cuterthe cup; it ls always cooi; warrunted to give satisfaction, Patented Febrnury 14,1871. Manufactured hy California Brass Works, 125 First strect, S. F. 24v23tf TIITE IMPROVED AMERICAN VAPOR STOVE. No Wood, Coal, Smoke, Ashes, Stovepipe nor Chimneys, and Perfectly Safe, Economy and Convenience combined. WILLIAM FRIEL, Manufacturer, No.69 and 71 Fourth atrect, 8.F. All kinds of Lamps altered to hurn Patent Gil with or withont chlmmeys. Gasoline and Patent Gils for Stoves and Lamps for sale. County Rights for sale, 10v23-6m NELSON & DOBLE, Thomas Firth & Sons’ Cast Steel. Ee vN MANUFACTURERS GF Sledges, Hammers, Stone Cutters’ amltha’ and 1Forse-Shoe ra’ ecls uae 413 and 15 Fremont eels nee Market, San Francis vitor RICKARD & DURDEN’S ANTI-SCALE COMPOUND, Yor the Preventlon of Incrustatlon in Steam Bollera, .Patented July 25, 1871. The Ch t and Most Effectual Material for the purpose ever introduced. ReFenences—Kison Bros,, Pioneer Flonr Milis, U. 8. B. Mint, 8. F., Korbel & Bros., South Park Saw Mills; Miners‘ Fonndry, Pacific lron Works, Etna Iron Worka, Pacific Suw Factory, Nelscn & Dobie, Messrs, Hohhs & Giimore, Etc,, Ete. Send for Circular with Testimo. nials and Directions. AGENTS: EDWARD GALLAGHER ..-. -.619 Front street, 8. F. C. M. ConNeELL. 72 South C street, Virginia, Nev, Morr, Fisn & Co...Main street, Hamilton, Nev. JOs. THORNHILL, BRICKLAYER AND CONTRACTOR. Particular attention pald to all kinds of Fire Work, such as Bollers, Furnaces, Gvens, Grates, Ranges, &c., Grders left wlth G. W. Warre, 47 Clay Street, JG. THGRNHILL, 1612 Mason 8t., near Green, will bs promptly attended to, 24y21-3m Hoskin’s Patent Little Giant Hydraulic Pipe Joint and Nozzle. fole fringe on any other patents, Hoskin's, aut partles fouud using without conseut of patentces will be prosceuted, Scud for Circular aud Testimonials to The Best Apparatus for Hydraulic Mining,in the niarket Guaranteed to glve cutisfaction. Portable, Simple, Durahle, not likely to neod repairs, and eavily repaired, By arrangement with Merers. R, R. & J. CRAIG, Iam their licensee, 1 sell the only apparatus which dovs not in All others infringe on Craigs‘ or Metallurgy and Ores. RODGERS, MEYER & Co., COMMISSION MERCIIANTS, ADVANCES MADE On all kinds of Ores, and partieninr attentton PalD To CONSIGNMENTS OF GOODS, 416-30 Richardson & Co., Copper Ore Wharves, SWANSEA. _ Ricnanpson & Co, have been for thirty years established in Swangva as Agents for the proparation, Sumpling, Axsny~ ing, and Sale of Copper, Silver, Gold, Lead, “inc, and all other Ores and Metals, for which they have extensive Warehouses and Wharves under cover, 1,0 fuet of Quay Frontate within the Floating Dovk, and the most complete Machinery and Apjihances, oe are also prepared to make advances CHG Oves in anticipation of realization, and to 15y23-4m R. HOSKIN, Dutch Flat, Cal. CAMERON'S STEAM PUMPS. PICKLRING'S Engine Regulators, GIFFARD'S INJECTORS. BARTGL’S STEAM TRAP. Surface Gondensers. DAVID STODDART, 114 BEALE STREET, S. F. THE SELDEN Aug. Combines Simplicity and Dura PATENTED Dec. 20, 1870. PUMP. 2, 1870. bility to a Remarkable Degree. Its parts are easy of access, and itis adapted to all purposes for which Pumps are used— especially Mining. Full description in Scientific Press of August, 1871. Catalogues sent on application. AcEntT Wantep for Pacific Slope. A. CARR, 43 Cortlandt Street, New York. v23-ly-eow all payments when royuired, LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Montzomery St, up atairn, Particular attentlon given to the Anslysls of Gree, Minerals, Metallurgical Produdts, Mineral Watcrs, Boils, Commercia] Articles, Ete. Gne or two pupils can receive theoretical and practlcal Instruction In Arsaying, Anaiysia, or any particular hranch of Chemistry at the laboratory. 1lv21-3m LEOPOLD KUH, i (Formerly of the U, 8. Branch Mint, 8. F.) Assayer and Metallurgical CHEMIST, No. 611 Commerelal Street, (Gpposite the U.8. Branch Mint, San Franorsco, Cau. Ty21-3m NEVADA METALLURGICAL WORKS19 and 2] First st., In Goiden State Foundry. RIOTTE & LUCKMARDT. Ores Crushed, Sumpled and Asmiyed. Having added Pans, Assay office and Chlorination Apparatus to our establishment, we are now prepared to make working tests hy any process, assay ores and prodnets, Returns guarranteed, Answers to al! nictallure lea] ques tlons given. 26v21-3m CALIFORNIA ASSAY OFFICE No, 512 CALIFORNIA STEREET, Gne Door West of Montgomery...SAN FRANCISCO, J. A. MARS, Assayer. WS Analysis of Gres, Minera] Waters, etc. 1nv2e G. W. 8THONG, W. L. STHONG Gc. W. STRONG & CO., Metallurgical Worls, No. 10 Stevenson Street, near First, San Fraxowoo We purchasa Gres, Bullion, ete. Gres worked aud Tests made with care. Also, Assuys of Guld, Silver, Copper, Lead, Tin and other Metals. Ogv2ntf . PLATINUM Vessels, Apparatus, Sheet, Wire, Etc., Ete. For all Lahoratory and Manufacturing Purposes RAY 26 Bond street, New York. Platinum Scrap and Gre prrehased. 22yv198 NIAGARA STEAM PUMP WORKS. FIRST PREMIUM American Institute, 1867 and 1870. CHARLES B. HARDICK, 23 Adams Street, Brooklyn, N. Y 8GLE MANUFACTURER Hardick's Patent Double-Aoting Steam Pump and Fire Engine. PATENTED IN ENGLAND, BELGIUM AND FRANCE. SEND FOR CIRCULAR. 22v26t-eow * Notice is hereby given, that the copartnership h e existing het: A. J. Severance, Charles W. Randall and J. Gus. Burt, under the firm name of ‘* Severance, Holt & Co.,” is this day dissolved hy mutual consent. A.J. Severance, having purchased ali the interest of his late partners, wlll continue the husiness of manufacturing and selling Diamone Drills, as hefore, under the style of A, J. Severance & Co. Dated San Francisco, Nov. 24, 1871. Gffice, 316 California street. A, J. SEVERANCE, CHAS. H, RANDALL, 22.v2d.t£ J. GUS. BURT. J. M. STOCKMAN, Manufacturer of PATTERNS AND MODELS, (Gver W. T. Garratt’s Brass Foundry). N.W. corner Natoma and Fremont streets, 8. F. En france on Natoma street, 6y23-6m. California File Manuf’g Co. Potrero, Solano street, bet, Tennessee and Minnesota streets, San FRANCISCO. Manufacturers of New Files. Gld Files re-cut and warranted equal to new. REAPER AND MOWEK SECTIONS, BARKS AND KNIVES COMPLETE, at asaving of 60 per cent. Grders from the country promptly attended to. 9v19hy McAFEE, SPIERS & CO., BOILER MAKERS AND GENERAL MACHINISTS, g . Howard st, between Fremontand Beala, 8an Francisco. év2l-tf Varney’s Patent Amalgamator. These Machines Stand Unrivaled, For rapidity pulverizing and amalgamating orer, they have no equal. No effort has been, or will be spared, to have them constructed in the most perfect nianuer, and of the great numher now in operation, not one hus ever required repairs. The constant and increasing de= mand for them issufficient evidence of their merits. They are constructed 50 as to apply steam dircetly into the pulp, or with steam hottonis, as desired, This Amalgamator Operates as Follows: The pan helng filled, the motion of the mniler forces the pul, to the center, whore it ia drawn down through the apperture and hetween the grinding surfaces, — Thence it]s thrown tothe periphery into the quicksilver. The curved plates again draw it to the center, where it passes down, and to the circumference as before, Thus it is constantly passing aregular flow between the grinding surfaces and Into the quicksilver, nntil the ore is reduced to an impalpahle powder, and the meta] amalgamated. Setlers madc on the same principle exeel ail others They hring the pulp so constuntly nnd perfectiy in contact with quicksilver, that the particies are rapidly and completely ahsorhed. Mili-men are invited to examluc these pans and setlers for themselves, at ths office, 229 Fremont Street, Ban Francisco, GOLD-SAVING Silver-Plated Amalgamating Plates FGR MINERS AND MILL MEN, At San Francisco Plating Works, 655 Mission Street, San Francisco. Goods of svery description Piated. Gld Goods Re-plated. E. G. DENNISTON, Proprietor. 2ty22-3m AVERILL’S CHEMICAL PAINT, Of any desired Shade or Color, Mixed ready for application, and sold hy the gallon It ls Cheaper, Handsomer, more Durahle and Llastlo than the hest of any other Paint. Gffice, corner Fourth and Townsend streets, Franclaco. HELY & JEWELL, Agents, 46 723-3m

January 6, 1872.] SCIENTIFIC PRESS. 15 N. Seibert's Eureka Lubricators. THE HIGHEST PREMIUM Awarded by the Meehanics' Institute lair, San Francisco, and State Fnir, Sacramento, 1871. These Lnbricators are acknowledged by ail engineers to be superior te auy they Lave ever used; feed constantly Ly pressure of condensed water. supplied hy pipe A, regulated under the oi] hy valve J, and forced out through cheek valye and pipe B into the steam pipe C; it t en becomes greasy steain, pasres to all the valves and cylinder at every stroke of the engiue, glass tube I indieates amount used per hour, Packing on rods and stems lasts longer, and the rinses on the piston will not corrode, Ouc pint of oll will last from three to six days, according to speed aud alzc of eugine; J, slidlng gauge; K, valve to shut off when engine stopps; H, F, valves to shut off in ease of frost; steam dovs not cuterthe cup; it ls always cooi; warrunted to give satisfaction, Patented Febrnury 14,1871. Manufactured hy California Brass Works, 125 First strect, S. F. 24v23tf TIITE IMPROVED AMERICAN VAPOR STOVE. No Wood, Coal, Smoke, Ashes, Stovepipe nor Chimneys, and Perfectly Safe, Economy and Convenience combined. WILLIAM FRIEL, Manufacturer, No.69 and 71 Fourth atrect, 8.F. All kinds of Lamps altered to hurn Patent Gil with or withont chlmmeys. Gasoline and Patent Gils for Stoves and Lamps for sale. County Rights for sale, 10v23-6m NELSON & DOBLE, Thomas Firth & Sons’ Cast Steel. Ee vN MANUFACTURERS GF Sledges, Hammers, Stone Cutters’ amltha’ and 1Forse-Shoe ra’ ecls uae 413 and 15 Fremont eels nee Market, San Francis vitor RICKARD & DURDEN’S ANTI-SCALE COMPOUND, Yor the Preventlon of Incrustatlon in Steam Bollera, .Patented July 25, 1871. The Ch t and Most Effectual Material for the purpose ever introduced. ReFenences—Kison Bros,, Pioneer Flonr Milis, U. 8. B. Mint, 8. F., Korbel & Bros., South Park Saw Mills; Miners‘ Fonndry, Pacific lron Works, Etna Iron Worka, Pacific Suw Factory, Nelscn & Dobie, Messrs, Hohhs & Giimore, Etc,, Ete. Send for Circular with Testimo. nials and Directions. AGENTS: EDWARD GALLAGHER ...-. -..619 Front street, 8. F. C. M. ConNeELL.. 72 South C street, Virginia, Nev, Morr, Fisn & Co......Main street, Hamilton, Nev. JOs. THORNHILL, BRICKLAYER AND CONTRACTOR. Particular attention pald to all kinds of Fire Work, such as Bollers, Furnaces, Gvens, Grates, Ranges, &c., Grders left wlth G. W. Warre, 47 Clay Street, JG. THGRNHILL, 1612 Mason 8t., near Green, will bs promptly attended to, 24y21-3m Hoskin’s Patent Little Giant Hydraulic Pipe Joint and Nozzle. fole fringe on any other patents, Hoskin's, aut partles fouud using without conseut of patentces will be prosceuted, Scud for Circular aud Testimonials to The Best Apparatus for Hydraulic Mining,in the niarket Guaranteed to glve cutisfaction. Portable, Simple, Durahle, not likely to neod repairs, and eavily repaired, By arrangement with Merers. R, R. & J. CRAIG, Iam their licensee, 1 sell the only apparatus which dovs not in All others infringe on Craigs‘ or Metallurgy and Ores. RODGERS, MEYER & Co., COMMISSION MERCIIANTS, ADVANCES MADE On all kinds of Ores, and partieninr attentton PalD To CONSIGNMENTS OF GOODS, 416-30 Richardson & Co., Copper Ore Wharves, SWANSEA. _ Ricnanpson & Co, have been for thirty years established in Swangva as Agents for the proparation, Sumpling, Axsny~ ing, and Sale of Copper, Silver, Gold, Lead, “inc, and all other Ores and Metals, for which they have extensive Warehouses and Wharves under cover, 1,0 fuet of Quay Frontate within the Floating Dovk, and the most complete Machinery and Apjihances, oe are also prepared to make advances CHG Oves in anticipation of realization, and to 15y23-4m R. HOSKIN, Dutch Flat, Cal. CAMERON'S STEAM PUMPS. PICKLRING'S Engine Regulators, GIFFARD'S INJECTORS. BARTGL’S STEAM TRAP. Surface Gondensers. DAVID STODDART, 114 BEALE STREET, S. F. THE SELDEN Aug. Combines Simplicity and Dura PATENTED Dec. 20, 1870. PUMP. 2, 1870. bility to a Remarkable Degree. Its parts are easy of access, and itis adapted to all purposes for which Pumps are used— especially Mining. Full description in Scientific Press of August, 1871. Catalogues sent on application. AcEntT Wantep for Pacific Slope. A. CARR, 43 Cortlandt Street, New York. v23-ly-eow all payments when royuired, LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Montzomery St, up atairn, Particular attentlon given to the Anslysls of Gree, Minerals, Metallurgical Produdts, Mineral Watcrs, Boils, Commercia] Articles, Ete. Gne or two pupils can receive theoretical and practlcal Instruction In Arsaying, Anaiysia, or any particular

hranch of Chemistry at the laboratory. 1lv21-3m LEOPOLD KUH, i (Formerly of the U, 8. Branch Mint, 8. F.) Assayer and Metallurgical CHEMIST, No. 611 Commerelal Street, (Gpposite the U.8. Branch Mint, San Franorsco, Cau. Ty21-3m NEVADA METALLURGICAL WORKS19 and 2] First st., In Goiden State Foundry. RIOTTE & LUCKMARDT. Ores Crushed, Sumpled and Asmiyed. Having added Pans, Assay office and Chlorination Apparatus to our establishment, we are now prepared to make working tests hy any process, assay ores and prodnets, Returns guarranteed, Answers to al! nictallure lea] ques tlons given. 26v21-3m CALIFORNIA ASSAY OFFICE No, 512 CALIFORNIA STEREET, Gne Door West of Montgomery.....SAN FRANCISCO, J. A. MARS, Assayer. WS Analysis of Gres, Minera] Waters, etc. 1nv2e G. W. 8THONG, W. L. STHONG Gc. W. STRONG & CO., Metallurgical Worls, No. 10 Stevenson Street, near First, San Fraxowoo We purchasa Gres, Bullion, ete. Gres worked aud Tests made with care. Also, Assuys of Guld, Silver, Copper, Lead, Tin and other Metals. Ogv2ntf . PLATINUM Vessels, Apparatus, Sheet, Wire, Etc., Ete. For all Lahoratory and Manufacturing Purposes RAY 26 Bond street, New York. Platinum Scrap and Gre prrehased. 22yv198 NIAGARA STEAM PUMP WORKS. FIRST PREMIUM American Institute, 1867 and 1870. CHARLES B. HARDICK, 23 Adams Street, Brooklyn, N. Y 8GLE MANUFACTURER Hardick's Patent Double-Aoting Steam Pump and Fire Engine. PATENTED IN ENGLAND, BELGIUM AND FRANCE. SEND FOR CIRCULAR. 22v26t-eow * Notice is hereby given, that the copartnership h e existing het: A. J. Severance, Charles W. Randall and J. Gus. Burt, under the firm name of ‘* Severance, Holt & Co.,” is this day dissolved hy mutual consent. A.J. Severance, having purchased ali the interest of his late partners, wlll continue the husiness of manufacturing and selling Diamone Drills, as hefore, under the style of A, J. Severance & Co. Dated San Francisco, Nov. 24, 1871. Gffice, 316 California street. A, J. SEVERANCE, CHAS. H, RANDALL, 22.v2d.t£ J. GUS. BURT. J. M. STOCKMAN, Manufacturer of PATTERNS AND MODELS, (Gver W. T. Garratt’s Brass Foundry). N.W. corner Natoma and Fremont streets, 8. F. En france on Natoma street, 6y23-6m. California File Manuf’g Co. Potrero, Solano street, bet, Tennessee and Minnesota streets, San FRANCISCO. Manufacturers of New Files. Gld Files re-cut and warranted equal to new. REAPER AND MOWEK SECTIONS, BARKS AND KNIVES COMPLETE, at asaving of 60 per cent. Grders from the country promptly attended to. 9v19hy McAFEE, SPIERS & CO., BOILER MAKERS AND GENERAL MACHINISTS, g . Howard st, between Fremontand Beala, 8an Francisco. év2l-tf Varney’s Patent Amalgamator. These Machines Stand Unrivaled, For rapidity pulverizing and amalgamating orer, they have no equal. No effort has been, or will be spared, to have them constructed in the most perfect nianuer, and of the great numher now in operation, not one hus ever required repairs. The constant and increasing de= mand for them issufficient evidence of their merits. They are constructed 50 as to apply steam dircetly into the pulp, or with steam hottonis, as desired, This Amalgamator Operates as Follows: The pan helng filled, the motion of the mniler forces the pul, to the center, whore it ia drawn down through the apperture and hetween the grinding surfaces, — Thence it]s thrown tothe periphery into the quicksilver. The curved plates again draw it to the center, where it passes down, and to the circumference as before, Thus it is constantly passing aregular flow between the grinding surfaces and Into the quicksilver, nntil the ore is reduced to an impalpahle powder, and the meta] amalgamated. Setlers madc on the same principle exeel ail others They hring the pulp so constuntly nnd perfectiy in contact with quicksilver, that the particies are rapidly and completely ahsorhed. Mili-men are invited to examluc these pans and setlers for themselves, at ths office, 229 Fremont Street, Ban Francisco, GOLD-SAVING Silver-Plated Amalgamating Plates FGR MINERS AND MILL MEN, At San Francisco Plating Works, 655 Mission Street, San Francisco. Goods of svery description Piated. Gld Goods Re-plated. E. G. DENNISTON, Proprietor. 2ty22-3m AVERILL’S CHEMICAL PAINT, Of any desired Shade or Color, Mixed ready for application, and sold hy the gallon It ls Cheaper, Handsomer, more Durahle and Llastlo than the hest of any other Paint. Gffice, corner Fourth and Townsend streets, Franclaco. HELY & JEWELL, Agents, 46 723-3m